.container {
    width: 1200px;
    margin: 0 auto;
}

html {
    scroll-behavior: smooth;
}

/* #region 头部开始 */

.header-nav {
    height: 80px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: fixed;
    top: 0px;
    width: 100%;
    z-index: 99999;
    transition: all 0.5s linear;
    background-color: white;
}

.header-nav a {
    color: rgb(17, 17, 17);
}

.header-nav .logo {
    width: 320px;
    height: 80px;
    line-height: 80px;
    text-align: center;
}

.header-nav .logo a img {
    vertical-align: middle;
    width: 150px;
}

.header-nav .container .first-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 18px;
}

.header-nav .container .first-nav li {
    text-align: center;
    width: 150px;
    transition: border 0.8s linear;
}

.header-nav .container .first-nav>li {
    box-sizing: border-box;
    line-height: 74px;
    border-top: 3px solid transparent;
    border-bottom: 3px solid transparent;
    cursor: pointer;
    position: relative;
}

.header-nav .container .first-nav>li:hover {
    border-top: 3px solid #1976d2;
}

.header-nav .container .first-nav>li:hover>a {
    font-weight: bold;
    color: #1976d2;
}

.header-nav .container .first-nav .sec-nav {
    position: absolute;
    top: 77px;
    left: 0px;
    display: none;
}

.header-nav .container .first-nav>li:hover .sec-nav {
    display: block;
}

.header-nav .container .first-nav .sec-nav li {
    height: 80px;
    line-height: 80px;
    background-color: white;
    position: relative;
}

.header-nav .container .first-nav .sec-nav li:hover {
    background-color: rgb(240, 240, 240);
}

.header-nav .container .first-nav .sec-nav li:hover>a {
    color: #1976d2;
}

.header-nav .container .first-nav .sec-nav .third-nav {
    position: absolute;
    top: 0px;
    left: 150px;
    display: none;
}

.header-nav .container .first-nav .sec-nav>li:hover .third-nav {
    display: block;
}

.header-nav .login {
    width: 320px;
    height: 80px;
    line-height: 80px;
    text-align: center;
}

.header .header-nav .login #login-btn {
    background: #4198ff;
    color: white;
    width: 100px;
    height: 40px;
    border: 2px solid #4198ff;
    border-radius: 8px;
    font-size: 16px;
    font-weight: bold;
    transition: all 0.5s linear;
    cursor: pointer;
}

/* #endregion 头部开始 */

/* #region 网页内容区域*/
.content .banner {
    padding-top: 80px;
    height: 800px;
    background-image: url('../img/banner1.jpg');
    background-repeat: no-repeat;
    background-size: cover;
    display: flex;
    justify-content: flex-start;
    align-items: center;
}

.content .banner .info{
    height: 200px;
    /* background-color: gray; */
    color: white;
}

.content .banner .info h1{
    padding-left: 20px;
    border-left: 5px solid white;
    font-size: 50px;
    margin-bottom: 20px;
}

.content .banner .info p{
    max-width: 650px;
    line-height: 30px;
    margin-top: 10px;
}

.content .banner .more-about{
    margin-top: 20px;
    width: 150px;
    height: 50px;
    border: 0;
    border-radius: 8px;
    background-color: rgb(3, 66, 240);
    color: white;
    font-size: 20px;
    transition: all .2s linear;
    cursor: pointer;
    opacity: 0.9;
}

.content .banner .more-about:hover{
    opacity: 1;
}

.content .box {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    top: -60px;
}

.content .inner-box {
    width: 400px;
    height: 300px;
    background-color: white;
    border-radius: 15px;
    box-shadow: 0px 5px 15px 0px rgba(62, 65, 159, 0.1);
    transition: 0.4s linear;
}

.content .inner-box:hover {
    box-shadow: 0px 5px 15px 0px rgba(62, 65, 159, 0.4);
    cursor: pointer;
    transform: scale(1.02);
}

.content .box2 {
    margin: 0 40px;
}

/* #endregion 网页内容区域*/

/* #region 页面底部 */
.footer {
    margin-top: 30px;
    background-color: #404343;
}

.footer .container {
    height: 360px;
    margin-top: 30px;
    background-color: #404343;
}

.footer .footer-service {
    height: 280px;
    display: flex;
    margin: 0 auto;
    justify-content: flex-start;
    color: #9D9D9D;
    padding-top: 40px;
}

.footer .footer-service dl {
    margin-right: 80px;
}

.footer .footer-service dl:nth-child(5) {
    margin-right: 0;
}

.footer .footer-service dt {
    color: white;
    height: 60px;
    line-height: 60px;
}

.footer .footer-service dd {
    height: 33px;
    line-height: 30px;
    font-size: 14px;
}

.footer .footer-service dd:hover a {
    color: white;
}

.footer .footer-service dd a {
    color: #9D9D9D;
}

.footer .footer-service dl:last-of-type {
    font-size: 14px;
    text-align: center;
}

.footer .service-qrcode {
    height: 220px;
    padding-left: 43px;
    margin-left: auto;
    border-left: 1px solid #9D9D9D;
}

.footer .service-qrcode dt {
    height: 40px;
    line-height: 40px;
}


.footer .img-qrcode {
    height: 140px;
}

.footer .foot-copyright {
    border-top: 1px solid gray;
    text-align: center;
    height: 40px;
    line-height: 39px;
    color: white;
    font-size: 12px;
    box-sizing: border-box;
    background-color: #404343;
}

.footer .foot-copyright a {
    color: white;
}

.footer .top a {
    width: 40px;
    height: 40px;
    background-color: lightgray;
    opacity: 0.6;
    position: fixed;
    bottom: 40px;
    right: 40px;
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 50%;
    cursor: pointer;
    display: none;
}

/* #endregion 页面底部 */